<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title>$Title$</title>
</head>
<body>
<c:if test="${empty username}">
    <a href="/stu/login.jsp">请登录</a>
</c:if>
<c:if test="${not empty username}">
    <a href="addstudent.jsp">添加学生</a>
    <a href="/stu/listStudent">查看学生</a>
</c:if>
</body>
</html>
